Helen MacInnes was born in Glasgow, Scotland on October 7, 1907. In 1928, she received a degree in French and German from the University of Glasgow in Scotland. She later studied at University College in London and worked as a librarian. She got married in 1932, moved to New York in 1937, and became an American citizen in 1952. In 1939, she began writing suspense novels and won the Columbia Prize for Literature in 1966. Many of her novels were adapted into movies including Above Suspicion, Assignment in Brittany, The Venetian Affair, and The Salzburg Connection. She died from the effects of a stroke on September 30, 1985 at the age of 77.